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Old 03-20-2012, 07:38 PM   #1
Stroked68
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Default 99 7.3 idle prob

For awhile now my late 99 7.3 has been acting up. It idles higher than normal. 900rpm to be exact. And the throttle is VERY touchy now too. Theres no "feathering" the throttle. Its either 900rpm or 1000 to 1200rpm. And you when you let off the throttle on the highway or just drivin 30mph it lopes really bad like its got a bad ass cam in it or somethin. Always starts right up cold, runs great on the highway. No CEL or SES lights. Had a friend pull the codes from a code reader, not an actual highdollar reader. He said it reads OBII codes for our trucks though. I've checked the EBPV sensor and pipe and they are clean. I replaced the CPS since I had a new one and no difference. I havnt checked the VC harness but the truck runs great on the highway so wouldnt think it would be that. Has over 275k on it and dont know if the injectors or GP's have been replaced. What do you guys and gals think? Its just more annoying than anything.
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1999 F250 4x4 ext cab sb
DIY intake-MBRP 4" turbo back Smokers kit with dual 6" miter stacks-HPX SS crossover line-AIH delete-Fumoto valve-shimmed FPR-Recon smoked cab lights-bedliner lower 1/4-275k and counting!

1996 Cobra
1984 Ford E250 Quadravan 4x4 460 "The Tank"
1977 F250 Highboy 351m
1968 Mercury Cougar XR7 HiPo 289 "Mean Merc"
1958 Ford Panel Truck 4x4 "Grave Digger II"
2010 Kawasaki KLX250s My gas sipper
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